Case for a touch screen device



FIG. 1 is a back isometric view of a case for a touch screen device, showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a front isometric view thereof.

The broken dashed lines indicate unclaimed portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a case for a touch screen device, as shown and described. 